CVE-2017-20289
Deferred Deferred - Pending Action

Local File Inclusion in Broadstreet Ad Widget WordPress Plugin

Vulnerability report for CVE-2017-20289, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-22

Last updated on: 2026-10-22

Assigner: VulnCheck

Description

Broadstreet Ad Widget plugin for WordPress 2.2.0 before 2.12.0 contains a local file inclusion vulnerability that allows authenticated users to execute attacker-chosen PHP files by passing unsanitized input to require in views/modal/index.php. Attackers can supply directory traversal sequences in the 'step' parameter, optionally with a null byte, to include local files and execute PHP code. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-19.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-10-22
Last Modified
2026-10-22
Generated
2026-10-23
EPSS Evaluated
N/A
NVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Broadstreet Ad Widget 2.2.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-98 The PHP application receives input from an upstream component, but it does not restrict or incorrectly restricts the input before its usage in "require," "include," or similar functions.

Attack-Flow Graph

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EPSS Chart